Check for valid file handle before closing fil ein ReaderFile::~ReaderFile()

Signed-off-by: Pete Cordell <pete.git@codalogic.com>
fix-end of lines
Gave up on the idea of a local ParserImpl class in .cpp file
Changed strategy to implementing more of a state machine
Improved Parser::context_update_XYZ() methods
Fix-eol
Added cl-json-puller-config.h file for user configuration to project
Split out Parser::get_value() into sub-functions
Fleshed out Parser::get_false(), get_true(), get_null(), get_constant_string()
Added Event::value_append()
Changed Event into a basic struct based data-type
Added TTODOs for Event::as_bool() and Event::as_number()
When reading 'false', 'true', 'null', now read whole value then decide if it's valid
TFUNCTION( json_event ) -> TFEATURE( "struct Event" )
Changed namespace to "cljpp" Codfalogic JSON Pull Parser
Added STATUS File
Renamed files from cl-json-puller.? to cl-json-pull.?